2520-00-298-3074 TAKEOFF,SPEEDOMETER Index 5310-00-298-3078 WASHER,FINISHING

National Stock Number:
5305-00-298-3075

Federal Supply Class:
5305

National Item Identification Number:
002983075

Description:
SCREW,CAP,SOCKET HEAD

Detail:
An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See BOLT, INTERNAL WRENCHING. Excludes SCREW, SHOULDER; and SCREW, MACHINE.


Manufacturer Information:
LP57D26S503038LONG-LOK, LLC
SMD502010-580063US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR


Techincal Specification:
FASTENER LENGTH0.437 INCHES NOMINAL
HEAD DIAMETER0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM
HEAD HEIGHT0.045 INCHES MINIMUM AND 0.053 INCHES MAXIMUM
HEAD STYLEPAN NO. 2
INTERNAL DRIVE STYLESLOT
LOCKING FEATURESTRIP THREADS
MATERIALSTEEL CORROSION RESISTING OVERALL
NOMINAL THREAD DIAMETER0.086 INCHES
SURFACE TREATMENTPASSIVATE OVERALL
THREAD CLASS3A
THREAD DIRECTIONRIGHT-HAND
THREAD LENGTH0.401 INCHES MINIMUM AND 0.437 INCHES MAXIMUM
THREAD QUANTITY PER INCH56
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)


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